Method open

source/MaaKWinControlUnit/Screencap/PipeWireScreencap.cpp:315–351

}

bool PipeWireScreencap::open()
{
    if (connected_) {
        return true;
    }

    // Clean up any stale state from a previous failed session
    close_internal();

    // Step 1: D-Bus handshake with xdg-desktop-portal.
    // This includes CreateSession, SelectSources, and Start (which shows
    // the KDE authorization dialog). Timeout is kStartResponseTimeoutSec.
    if (!dbus_create_session() || !dbus_select_sources() || !dbus_start_stream()) {
        // dbus_* methods already logged errors
        close_internal();
        return false;
    }

    // Step 2: Initialize PipeWire (connect core, create stream, connect)
    if (!pw_init()) {
        close_internal();
        return false;
    }

    if (!pw_create_stream()) {
        close_internal();
        return false;
    }

    if (!pw_connect_stream(pipewire_node_id_)) {
        close_internal();
        return false;
    }

    connected_ = true;
    return true;
}

void PipeWireScreencap::close()
{